Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Negaunee you will be able to figure out when it's a good idea to plant iceland poppy.

Planting Calendar for Iceland Poppy

Frost tolerance for iceland poppy:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Iceland Poppy do well in mild cold which means that you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant iceland poppy in Negaunee is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant iceland poppy and expect a good harvest is probably September. If you wait any later than that and your iceland poppy may not have a chance to really do well. You can get started a few weeks earlier by starting your iceland poppy indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Negaunee. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Negaunee is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Negaunee it frosts late in the year after April 15 be ready to protect your iceland poppy if you have a late frost.

USDA Zone Info for Negaunee

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Negaunee

You may be interested in your other planting guides for Negaunee.